/*
 * Copyright (C) 2010 Imavis Srl
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.imavis.video.parse.mpeg4.impl;

import java.nio.ByteBuffer;
import static com.imavis.video.parse.mpeg4.impl.Mpeg4Utils.*;

public enum StartCode {
    VOL_START(0x1F, 0x2F),
    VOP_START(0xB5, 0xB6);
    private final int l;
    private final int r;

    StartCode(int l, int r) {
        this.l = l;
        this.r = r;
    }

    public boolean isCode(int a) {
        return (a > l) && (a <= r);
    }

    public boolean seek(final ByteBuffer bb) {
        int code;
        while ((code = seekStartCode(bb)) >= 0) {
            if (isCode(code)) {
                break;
            }
        }
        return code > 0;
    }
}
